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home > en > Product > Diamond Testers and Moissanite Testers > DK9000 MULTI EXPERIOR


Patents: US9,453,808 B2 / US8.947.111 B2 / US D732.987 S / ZL 2010 2 0256059.4
GEMTRUE™ are pleased to announce the release of the EXPERIOR, a superior tester with expert ability for all users. Like all other GEMTRUE™ testers you can easily identify all types of CZ, Diamond, Moissanite and now the EXPERIOR will help you to distinguish Sapphire and Ruby!
Patented illumination feature allows the user to easily see the test result - Tough tip design keeping the tester straight forward no need for tip changes - Fine retractable 0.6mm diameter thermoelectric probe - 180° contact grip for accurate test results - Fully automatic requiring no calibration - No waiting times between tests for fast and efficient use - Low battery alert and auto power down - UV light source. Available in three colours.
The EXPERIOR is a straight forward tough easy to use tool. NO TALKING, NO GIMMICKS, IT JUST TESTS! We are so confident in our product that we can guarantee exceptional quality because all of our testers are made at our own factory and pass thorough a vigorous testing procedure along with outstanding quality control. A British designed and engineered product that comes with A LIFETIME TIP GUARANTEE and limited lifetime replacement warranty on the tester.
  • Large illumination panel  now makes it very easy see your test results clearly.
  • Fitted with a 0.6 diameter fine retractable thermo electric probe, giving consistent pressure when placed on the surface of a stone ensuring more accurate results.
  • 180° touch grip ensuring perfect electrical contact between the user’s fingers and the tester giving accurate test results.
  • Fully automatic requiring no user calibration
  • Fitted with a built-in metal alert letting you know if you accidentally touch the setting or stone holder, helping the user to eliminate false readings
  • Complete with different audio testing sounds for Diamond, Moissanite and metal making it even easier to distinguish your test results
  • UV light that has been mounted in the tip that can be used during a test to give more accurate readings on Moissanite (it excites the atoms and improves electrical conductivity). It can also be used to observe the fluorescence in diamonds for the purpose of colour-grading
  • No waiting time between tests
  • Designed for left and right handed users
  • Low battery indicator
  • Lanyard attachment Stylish carrying case or a slim leather carrying pouch
  • Highly accurate and consistent testing
  • Distinguishes between Diamonds, Moissanite,
  • Simulants and metal
  • No user calibration is required
  • Simple and user friendly
  • Durable and robust
  • Clear, visible test result displays
  • Able to test mounted or loose stones
  • Portable tester that can be used anywhere 
Dimensions and Weight
  • Length: 150mm (5.9 inches) (with protective cover cap)
  • Width: 23mm (0.9 inches)
  • Height: 33mm (1.29 inches)
  • Weight without battery: 42g (0.10lb)
  • Weight with battery: 80g (0.18lb) 
 Power and Battery
  • 1 x 9v battery (approximately 3 hours of continuous use based on high quality alkaline batteries, continuously using the UV light source will give you approximately 1.5 hours of use.)
  • Optional Multi country power adaptor (sold separately)
Operating Conditions
  • Operating temperature: 18°C - 28°C (64°F - 82°F)
  • Storage temperature: 35°C - 53°C (95°F - 127°F)  
Technical Specifications
  • Dimension:150 x 33 x 23mm (6.81 x 1.25 x 0.0.98in)
  • Total weight including battery: 80g (0.18lb)
  • Power: 1 x 9v battery or AC adaptor (optional item sold separately)
  • Battery Life: Up to 3 hours of continuous use based on alkaline batteries
  • Operating temperature: 18°C - 28°C (64°F - 82°F)
  • Storage temperature: 35°C - 53°C (95°F - 127°F) 
Package Contents
  • DK9000 GemTrue Experior
  • Metal loose stone holder
  • Lanyard
  • Carry case
  • User manual